HP XP24000, XP20000 Recommended Applications According to HDD Type, Application HDD Type FC/SSD 1

Page 39

•Make sure that an external volume is accessed only from the local storage system side once the external volume is mapped.

◦Make sure that the external volume, which has been mapped as an internal volume, is not accessed from the host that is connected to the external storage system.

◦Make sure that the external volume, which has been mapped as an internal volume, is not manipulated by the copy function or other function of the external storage system.

◦If you need to access the mapped external volumes from the external storage system, perform the operation explained in “Disconnecting External Storage System or Disconnecting External Volume” (page 91).

Hosts can access the external storage system volumes that have not been mapped as the internal volumes. There is no restriction.

•Do not map a volume from an external storage system if it has already been mapped as internal storage in another storage system.

•When an external storage system that has an ownership is connected to a storage system, configure the cross-subsystem path to the primary controller in the external storage system as primary path.

Ownership is an exclusive right to control volumes. A controller that has an ownership is called a primary controller. If a cross-subsystem path to a controller without ownership is configured as primary path, the ownership will be transferred and it may affect the performance.

Recommended Applications According to HDD Type

Table 2 (page 39) and Table 3 (page 40) show the recommended level of the application of mapped external volume according to the hard disk drive (HDD) type of the external volume.

Table 2 When the Emulation Type of the External Volume is for OPEN

Application

HDD Type

 

 

FC/SSD1, 2

SATA3

Database

Yes

Not Recommended

Online Transaction Processing (OLTP)

 

 

File Operation from Host

Yes

Not Recommended

(Both of Read and Write)

 

 

File Operation from Host

Yes

Yes

(Mainly Read)

 

 

Backup

Yes

Recommended

Archive

Yes

Recommended

1FC = Fibre channel

2SSD = Solid State Drive

3SATA = Serial Advanced Technology Attachment

Guidelines for XP External Storage Operations

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Contents Abstract Fourth January Edition Date Description First JuneSecond September Third NovemberContents Using the XP External Storage GUI Preparing for XP External Storage OperationsPerforming XP External Storage Operations 101 Remote Command Devices 119Troubleshooting 126 Connecting External Storage Systems 134Support and Other Resources 132 Required Volume Capacity for Each Emulation Type 152 Glossary 167 Index 169 XP External Storage Overview of HP StorageWorks XP External Storage SoftwareXP External Storage Unifying Copy Operations between Different Storage SystemsOverview of HP StorageWorks XP External Storage Software Page Connecting External Storage Systems About XP External Storage OperationsAbout XP External Storage Operations XP External Storage Components XP External Storage ComponentsStorage Systems and Cross-subsystem Paths Volumes and Mapping PathsXP External Storage Operations XP External Storage OperationsConfiguring XP External Storage Choosing and Mapping External VolumesChoosing the External Port Registering a Volume to an External Volume Group ExG Configuring External Volume AttributesConfiguring XP External Storage Clpr Cross-subsystem PathsPath Mode Example of Alternate Path Setting Examples of Switching I/O Execution Paths to Alternate Paths When the Path Mode is Multi Mode When the Path Mode is Single Mode Single Mode with Alternate Paths in Normal and Standby Single Mode with Alternate Paths in Standby Only Connecting Mainframe VolumesDifference between Automatic Mapping and Manual Mapping Connecting Open Systems VolumesPort Discovery and Volume Discovery Choosing Mapping PolicyUsing a Mapped External Volume from a Connected Host Storing New Data in the Mapped External VolumeUsing a Mapped External Volume from a Connected Host Storing the New Data in the Mapped External Volume Using Existing Data in the Mapped External VolumeInteroperability with other Products and Functions LUN Manager and Configuration File LoaderInteroperability with other Products and Functions LUN Expansion LusePerformance Monitor and XP Auto LUN XP Continuous Access and Hitachi TrueCopy for MainframeVirtual LVI/LUN VLL Cache Residency ManagerSnmp Agent Examples of Using External Volumes with Other ProductsHP StorageWorks XP Snapshot Software HP StorageWorks XP Thin Provisioning SoftwareExample of the XP Auto LUN Operations XP Continuous Access OperationsExamples of Using External Volumes with Other Products XP Continuous Access Journal OperationsExample of the XP Continuous Access Journal Operations Example of the XP Business Copy Operations XP Business Copy OperationsExample of the XP Snapshot Operations XP Snapshot OperationsXP External Storage Requirements Preparing for XP External Storage OperationsSystem Requirements Storage Systems Supported as External Storage SystemsGuidelines for XP External Storage Operations Mapping GuidelinesXP External Storage Requirements Database Yes When the Emulation Type of the External Volume is for OpenRecommended Applications According to HDD Type Application HDD Type FC/SSD 1Capacity Guidelines Application HDD TypeDatabase Not Recommended Volume Attribute Guidelines Guidelines for Mainframe VolumesCreating Luse Volume Guidelines AMS 2000 Series Guidelines Maintenance Guidelines for an External Storage SystemPerformance and Status Guidelines RAID Level ConsiderationsInstalling and Uninstalling XP External Storage Installing XP External StorageUninstalling XP External Storage Starting XP External Storage Starting XP External StorageUsing the XP External Storage GUI Volume Operation WindowUsing the XP External Storage GUI Volume Operation Window To Status EnableStatus Enable The status is displayed To update the all items in the window including the ExtVolume Operation Tree and List Pop-up Menu for the Volume Operation Tree Volume Operation TreeFor the Add Volume VolumeSubsystem Add Volume Auto + Product name Executed the volumeStatus of the External Volume in Ext. VOL Status Volume Operation List When Path Group is ClickedPath Mode Assigned to each volume in the external volume groupWhen the external volumes are mapped Regardless of the Cache Mode settingCross-subsystem Paths List Details Cross-subsystem Paths dialog box. This dialog box Preview Dialog BoxIdentification number of the port in the external storage SystemPath Operation Window Console main window Not show the status when you open the Path OperationChanging the tree display. The information displayed Selected in the tree. For details, seePath Operation Tree and List Path Operation Tree Path Operation List When Subsystem is ClickedStatus of the Cross-subsystem Path Displayed in the Status Path Operation List When Port or WWN is Clicked Path Operation List When Product Name is ClickedPort Operation Window Port Operation WindowPort External port in the local storage system WWN indicating the target port in the external storagePreview dialog box, see Preview Dialog Box Selected in the treeSelected in the tree. Sort the list by clicking the column HeadingsPort Information List Port Operation TreeNumber of Ports Detailed information on the PCB mode, see the HPOverview of Setting Operations Overview of Setting OperationsPerforming XP External Storage Operations Performing XP External Storage Operations Setting Port of External Storage SystemMapping an External Volume Automatically Setting Port Attribute for Local Storage SystemMapping an External Volume Manually Mapping an External Volume Manually Add Volume Dialog Box Add Volume Dialog BoxLdev Mapping Manual Pop-up menu Description Set External Volume ParameterLdev Mapping Auto Can specify the Ldev number to the first LdevSet External Volume Parameter Dialog Box Set External Volume Parameter Dialog BoxLdev Mapping Auto Dialog Box Ldev Mapping Auto Dialog BoxLdev Mapping Manual Dialog Box Ldev Mapping Manual Dialog Box Ssid Dialog BoxSsid Example How to Map LDEVs Manually Example How to Map LDEVs AutomaticallyExample of Ldev Mapping Manual Dialog Box Setting the Cross-subsystem PathsConfigure Cross-subsystem Paths Dialog Box Configure Cross-subsystem Paths Dialog BoxPort Discovery Dialog Box Lower Priority Configuring the Cross-subsystem PathSelected Paths Delete Allows you to delete the selected Raise PriorityPop-up Menu of Configure Cross-subsystem Paths Dialog Box Changing the Configured Cross-subsystem Path PriorityChanging the Cross-subsystem Path Canceling the Cross-subsystem Path ConfigurationPerforming XP External Storage Operations Checking the External Volume Details Checking the External Volume DetailsLdev Information Dialog Box Displayed Item Description Normal Mapping path is normal Mapping Path Information Dialog BoxProcessing has timed out Target errorDisplayed Item FoundTurning On or Off the Storage System Check Paths & Restore Volume commandTurning On or Off Only the External Storage System Turning On or Off Only the Local Storage SystemTurning On or Off the Storage System Turning On or Off Both Storage Systems If the External Volume is Used in this way Operations Required before Disconnecting External VolumesDisconnecting All External Volumes Disconnect Subsystem Resuming All External Volumes Check Paths & Restore Volume Performing XP External Storage Operations Restoring the Paths to the External Volume Check Paths Changing the Cache Mode Setting of the External VolumeRestoring the Paths to the External Volume Check Paths Changing the Inflow Control Setting of the External Volume Changing the Port Setting of the External Storage System Changing the Port Setting of the External Storage SystemChange WWN Parameter Dialog Box Performing Maintenance for External Subsystem Editing Mapping PolicyEdit Policy Dialog Box Deleting the External Volume Mapping Delete Volume Command Deleting the External Volume Mapping Delete Volume CommandPerforming XP External Storage Operations Using Spreadsheets for XP External Storage Operations IntroductionIntroduction Before Using Spreadsheets Contents of a SpreadsheetAvailable Types and Operation Tags Ssid Tag Saving Storage System InformationExternalGroup Tag MappedVolume TagInformation Saved when the Ssid Tag is Written Information Saved when the ExternalGroup Tag is WrittenWWN of the external storage system Information Saved when the MappedVolume Tag is WrittenLU number of the external volume LayerAddVolumeSetting Tag Mapping External VolumesAddVolumeSetting Tag Parameters Alternate path Digits WWNOr fewer Assigned to any Volume. AnRange Parameter Setting Range of ValuesCapacity Ldev in blocks For details, see Ssid assigned to To FffeWhen Creating Multiple LDEVs in an External Volume AddVolumeSetting2 TagAddVolumeSetting2 Tag Parameters Ldkc number 00 to Parameter Setting RangeAssigned to any Volume However, an ValuesDisconnectVolume Tag Parameters Changing Path Group Deleting the External Volume Mapping DeleteVolume TagCheckPath-RestoreVolume Tag Parameters DeleteVolume Tag ParametersStructure and Identifier of Parameters DividePathGroup Tag UnitePathGroup TagExample of a Spreadsheet Example of a SpreadsheetStructure and Identifier of Parameters UnitePathGroup Tag Number LessExample Remote Command Devices Overview of Remote Command DevicesOverview of Remote Command Devices Remote Command Devices Guidelines for Remote Command DevicesGuidelines for Remote Command Devices Universal Storage PlatformUniversal Storage Platform VM Maximum capacity Mapping a Command Device as a Remote Command DeviceRestrictions on Remote Command Device RestrictionPage Procedure to Use Initiator/External MIX Mode Restrictions on Initiator/External MIX Mode Error TroubleshootingTroubleshooting for XP External Storage General Troubleshooting for XP External StorageBlockade External port is blocked Action Troubleshooting the Mapping PathMapping Path Statuses and Required Actions Status Description UnknownReduced Changed the volume capacity wasAccess the device of the external To access the device of the externalBeen stopped by timeout Setting of the topology doesConnected through switches, Internal errorSystem becomes inaccessible Troubleshooting Volume DiscoveryCauses of Volume Discovery Failure and Required Actions Status Description Device check errorCalling HP Technical Support Calling HP Technical SupportHP Technical Support Support and Other ResourcesRelated Documentation Conventions for Storage Capacity ValuesDocumentation Feedback Subscription ServiceSubscription Service HP WebsitesSystem Parameters AMS/WMS Connecting External Storage SystemsAMS/WMS Storage System System ParametersWindow Names Parameters Parameter Settings Storage System Displayed Serial Number ModelWMS Path Status and Examples of the Recovery Procedure AMS/WMS Path status and examples of recovery procedure Path Status and Examples of the Recovery Procedure AMS/WMSP9500 Disk Array Thunder 9500V Storage System System Parameters Thunder Relationship between the WWN of the Port and Controller Path Status and Examples of the Recovery ProcedureUSP V/VM Storage System Path Status and Examples of the Recovery Procedure ThunderChannel port properly using LUN Manager Disable the host group securitySecurity Path Status and Examples of the Recovery Procedure USP V/VMVolume operation again TagmaStore USP/NSC Storage SystemLightning 9900V Storage System Lightning 9900V Storage SystemLightning 9900 Storage System Path Status and Examples of the Recovery Procedure LightningSVS200 Storage System SVS200 Storage SystemHP StorageWorks EVA Storage System Identifying Logical Volumes Using Characteristic2Path Status and Examples of the Recovery Procedure SVS200 System Parameters for Connecting an EVA Storage SystemBehavior of the Alternate Path System Parameter Connecting Sun StorEdge 6120/6320Sun StorEdge 6120/6320 Sun StorageTek FlexLineSystem Parameter Sun StorageTek Sun StorageTekEMC CLARiiON CX Series System Parameter Sun StorageTek FlexLineEMC Symmetrix Series System Option modeRestrictions for Connecting an EMC CLARiiON CX Series ProcedureIBM DS3000/DS4000/DS5000 Series System Parameter for Connecting IBM SVC SeriesSGI IS4600 Series System Parameter for Connecting Fujitsu FibreCAT CX SeriesFujitsu FibreCAT CX Series Non-HP Storage SystemsRequired Volume Capacity for Each Emulation Type Required Volume Capacity for Each Emulation TypeDetermining Required External Volume Capacity Maximum Usable Capacity of an External VolumeCapacity List for Each Emulation Type Capacity List for Each Emulation TypeLdev Capacity Information for Each Emulation Type Volume Capacity Information for Each Emulation Type Adjusting the Volume Capacities for Pairs Adjusting the Volume Capacities for Pairs157 ExPath Tool Preparing for Using the ExPath ToolExPath Tool Overview of the ExPath ToolUsing the ExPath Tool Using the ExPath ToolInstalling the ExPath Tool Uninstalling the ExPath ToolCreating an Authentication File Creating a Command FileEditing the Java Security Policy Running the ExPath Tool Command Purpose Svpip Command ReferenceSvpip Command Command List for the ExPath ToolDisconnect Command Login CommandCheckstatus Command Checkpath CommandExternal Volume Status Normal Destage Disconnect Checking External Volume Status Normal Destage Disconnect Checking 167 GlossaryGlossary SVPXP Continuous Access or XP Continuous Access Journal Index169 Index
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